The historians in my area say that's the ancient American Indian burial ground. Which ancient American Indians used triangular-shaped burial grounds?

The area is located in Washington Township, Indiana. enter image description here

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    Welcome to HSE. Which are your sources? – José Carlos Santos Feb 7 at 7:14
  • Welcome to History:Stack Exchange. Thank you for your question; please consider revising it to be more in line with our community expectations. Like many other stacks, we expect questions to provide evidence of prior research. That helps us to understand the question, and avoids our repeating work you've already done. Our help center, and other stacks provide additional resources to assist with revisions. – Mark C. Wallace Feb 7 at 12:51
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    1) I'm not sure I understand; I presume that they buried people in the burial ground. Are you asking which tribe/nation? try Native Tribes of Indiana 2) which historians said this? Are they credible? 3) The triangle shape is most likely the result of modern zoning/regulation. The triangle contains the burial ground. – Mark C. Wallace Feb 7 at 12:53
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    Can you provide some more information. Does this site have a name? Please provide County and township location. This appears to be within Washington township, Clark County, Indiana? – justCal Feb 7 at 16:59
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    You probably want to be specific about who you mean by "Indians". (I'm not being "politically correct" here...plenty of American Indian Activists didn't mind the naming.) When someone is searching, it is worthwhile for them to be able to tell if we're talking "Indiana" or "Bengaluru". – Gort the Robot Feb 7 at 21:01

Going of the description indicating a Washington Township, I found the following: (Note see update below-this is the wrong county)

If my assumption on location is correct, the answer may be found on a Porter County genealogy website mentioning Native American Burial Grounds within the county. The Entry for Washington Township says the following (emphasis mine):

A. The 1882 History of Porter County, Indiana, states that (p. 178):

A village of about one hundred or more Pottawatomie Indians was situated near the present site of Prattville. Their burying-ground was located on what is now Harmond Beach's orchard.

An inspection of the 1876 plat map for Washington Township published by A. G. Hardesty, shows that Harmond Beach's orchard, and thus the Native American burial ground, is located in the northwest quarter of the northeast quarter of the southwest quarter of Section 21, Township 35 North, Range 5 West. No evidence of the Indian burial ground exists today.

Source Citations: Goodspeed, Weston A., and Charles Blanchard. 1882. Counties of Lake and Porter, Indiana: Historical and Biographical. Chicago, Illinois F. A. Battey and Company. 771 p. Hardesty, A. G. 1876. Illustrated Historical Atlas of Porter County, Indiana. Valparaiso, Indiana: A. G. Hardesty. 90 p.

I can't confirm the site location is the same you are referencing without more information, but this would indicate the region was previously inhabited by the Potawatomi. I agree with comments by @Mark C. Wallace however, that the triangular shape observed on the map image is most likely due to an artifact of farming practices or property boundaries, and is not likely in itself related to the burial grounds themselves.


It seems the location may be in Clark County and not Porter County. Both have Washington townships. The information I can dig up leads to a completely different and much older culture inhabiting the region.

The triangular section of woods is about 15 miles (24km) away from a site known as the Prather Site. This site is considered to be middle Mississippian Culture (c. 1200–1400CE) . This is also part of what is collectively known as the Mound Builders. The middle Mississippian era was before most of the modern tribal cultures we are familiar from early American History, but would be possibly ancestral to some of those groups:

Mississippian peoples were almost certainly ancestral to the majority of the American Indian nations living in this region in the historic era. The historic and modern day American Indian nations believed to have descended from the overarching Mississippian Culture include: the Alabama, Apalachee, Caddo, Chickasaw, Catawba, Choctaw, Muscogee Creek, Guale, Hitchiti, Ho-Chunk, Houma, Kansa, Missouria, Mobilian, Natchez, Osage, Quapaw, Seminole, Tunica-Biloxi, Yamasee, and Yuchi.

The proximity to the Prather site would lead me to think that, if there is a burial site within the triangular section of woods, this might be the connection. However I reiterate what I said before concerning the shape: I agree with comments by @Mark C. Wallace, that the triangular shape observed on the map image is most likely due to an artifact of farming practices or property boundaries, and is not likely in itself related to the burial grounds themselves.

PDF on Prather Site Archeological Survey

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    BTW: Being an Okie means knowing how to pronounce "Potawatomi". :-) – T.E.D. Feb 8 at 13:46
  • The exact Lat-Long coordinates are available in the bottom left of the picture, for confirmation of the site. – Pieter Geerkens Feb 9 at 13:48
  • I'm confident of the Clark county location now. The problem was google maps in its little description box when you click on the area only gives the coordinates, and the label Washington Township, and my first searches located the one in Porter county at the other end of the state. – justCal Feb 9 at 14:13

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